Description
Walsun 25G SFP28 ER 40KM Transceiver Module
The Walsun 25G SFP28 ER 40KM Transceiver Module offers reliable high-speed data transmission up to 25 Gbps with a maximum reach of 40 km. Designed with advanced EML transmitter and APD receiver technology, it ensures superior signal quality and durability. Available at Datacom Technologies BD, this module is ideal for long-distance networking with full DDM/DOM support and commercial-grade operating temperature.
Specification Table
| Feature | Details |
|---|---|
| Model | Walsun 25G SFP28 ER |
| Form Factor | SFP28 |
| Data Rate | 25 Gbps |
| Wavelength | 1310 nm |
| Maximum Distance | Up to 40 km |
| Interface Type | LC Duplex |
| Transmitter Type | EML (Electro-absorption Modulated Laser) |
| Receiver Type | APD (Avalanche Photodiode) |
| Power Supply Voltage | 3.3V |
| Power Consumption | < 2.5W |
| DDM/DOM Support | Yes |
| Operating Temperature | 0°C to 70°C (Commercial) |
| Compliant Standards | IEEE 802.3by, SFF-8402, RoHS |
📝 Description
The Walsun 25G SFP28 ER 40KM Transceiver Module is a high-performance, long-range optical transceiver designed to meet the growing demand for 25 Gigabit Ethernet connectivity across metro and enterprise networks. Utilizing a 1310 nm EML laser transmitter and APD receiver, this module supports data transmission over single-mode fiber (SMF) up to 40 kilometers, making it an excellent choice for long-distance interconnects.
Engineered in the compact SFP28 form factor, the transceiver is hot-pluggable and supports Digital Diagnostics Monitoring (DDM), ensuring real-time performance monitoring for voltage, temperature, laser bias, and more. With a low power consumption of less than 2.5W, it provides energy-efficient networking while maintaining high reliability.
This module is compliant with IEEE 802.3by standards and SFF-8402 specifications, ensuring wide compatibility with most 25G networking equipment such as switches, routers, and NICs. Its LC duplex interface simplifies installation and ensures secure optical connectivity.
Ideal for data center interconnections, telecommunications, and enterprise backbones, the Walsun 25G SFP28 ER Transceiver delivers a perfect blend of performance, reach, and reliability. Backed by Datacom Technologies BD, you are guaranteed genuine quality and full support in Bangladesh’s dynamic IT landscape.
✅ Key Features:
- Data Rate: 25Gbps
- Wavelength: 1310nm
- Reach: Up to 40km over single-mode fiber (SMF)
- Connector Type: Duplex LC
- Laser Type: EML (Electro-absorption Modulated Laser)
- Receiver Type: APD (Avalanche Photodiode)
- Digital Diagnostics: Supported (DDM)
- Compliance: MSA SFP28, CE, FCC, RoHS
- Operating Temperature: 0°C to 70°C
- Low Power Consumption: <2W typical
🛠️ Installation Steps:
- Power Off Device – Ensure the switch or router is powered down or that the port is disabled.
- Insert Module – Gently slide the Walsun 25G SFP28 ER module into the SFP28 port until it clicks.
- Connect Fiber Cable – Plug in the LC duplex single-mode fiber cable into the module.
- Power On/Enable Port – Power on the device or enable the interface.
- Verify Operation – Use digital diagnostics monitoring (DDM) to confirm link status and performance.
✅ Why Choose Walsun 25G SFP28 ER 40KM Transceiver Module from Datacom Technologies BD?
- 🔹 100% Genuine & Brand-New Product: Datacom Technologies BD ensures that every Walsun 25G SFP28 ER module is authentic and factory-sealed, sourced directly from authorized distributors. This guarantees durability, performance, and long-term reliability.
- 🔹 Designed for Long-Haul 40KM Transmission: This transceiver module supports extended reach up to 40 kilometers over single-mode fiber, making it ideal for data centers, enterprise networks, and telecom backbone applications.
- 🔹 Excellent Compatibility: The Walsun 25G SFP28 ER module is fully compliant with SFP28 MSA, SFF-8472, and IEEE 802.3by standards, ensuring seamless integration with a wide range of switches, routers, and networking hardware.
- 🔹 Competitive Price in BD: We offer industry-leading pricing in Bangladesh without compromising on quality. Datacom Technologies BD is your cost-effective source for high-performance optical networking solutions.
- 🔹 Local Support & Fast Delivery: Our knowledgeable team provides technical support and fast nationwide delivery, helping your business stay connected with confidence.
Buy Walsun 25G SFP28 ER 40KM Transceiver Module at the Best Price from Datacom BD Online
In Bangladesh, you can get Walsun 25G SFP28 ER 40KM Transceiver Module From Datacom. We have a large collection of latest Walsun Transceiver Module to purchase. Order Online Or Visit our Office to get yours at lowest price. The Walsun 25G SFP28 ER Transceiver Module comes with 1 Year warranty.
Get in Touch with Datacom Technologies (BD)
- 📞 Call/WhatsApp: 01748173213
- ✉ Email: sales@datacomtechbd.com | datacomtechnologiesbd@gmail.com
What is the price of Walsun 25G SFP28 ER 40KM Transceiver Module in Bangladesh?
The estimated price of Walsun 25G SFP28 ER 40KM Transceiver Module in Bangladesh is 23,500৳. You can buy the Walsun 25G SFP28 ER Transceiver Module at best price from our website or visit our Office.
For the most accurate pricing, stock availability, and warranty details, we recommend contacting us before placing your order.

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